Across
- 3. force holding together atoms
- 5. links between atoms in a substance, determine identity
- 8. shares electrons
Down
- 1. the basic unit of a chemical element.
- 2. any change that causes a new substance to be formed
- 4. give away electrons
- 6. a set of chemical symbols showing the elements present in a compound
- 7. groups of atoms held together with chemical bonds